@charset "UTF-8";

.float_bn img {
    width: 150px;
    height: auto;
    box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.2);
}
.float_bn {
    position: fixed;
    bottom: 100px;
    right: 15px;
    opacity: 0;
    visibility: hidden;
    transition: .5s;
    z-index: 100;
    transition: .3s;
}
@media (max-width: 767px){
    .float_bn {
        bottom: 120px;
    }
}
.float_bn span {
    position: absolute;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #999;
    top: -10px;
    right: -10px;
    cursor: pointer;
    display: block;
}
.float_bn span::before {
    position: absolute;
    content: "";
    width: 12px;
    height: 1px;
    background: #fff;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
}
.float_bn span::after {
    position: absolute;
    content: "";
    width: 12px;
    height: 1px;
    background: #fff;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(135deg);
}
.float_bn.on {
    opacity: 1;
    visibility: visible;
}